Astronaut and Earth
CSA (Canadian Space Agency) astronaut and Expedition 75 flight engineer Joshua Kutryk is pictured during a spacewalk with his spacesuit’s helmet visor down to install
Category: Science
Would you risk your health to visit Mars?
A crewed mission to Mars could be one of humanity’s greatest achievements, but getting there may come with serious health risks. Beyond the challenges of
A 3,200-pound NASA spacecraft could fall to Earth tonight
Editor’s note: The latest estimates from the Aerospace Corporation predict Swift will reenter the atmosphere at 5:19 a.m. EST on Wednesday (Nov. 4), plus or
Your voice can now say things you never said
Synthetic voices can restore speech, enable scams and outlive their owners. These uses raise questions about trust, consent and control.
A drug-free diabetes treatment? An implant lowers blood sugar in mice
The wireless implant rids mice’s bodies of excess sugar on demand, and helps them shed weight. It could one day help treat diabetes and obesity.
‘Quite a light show’: NASA astronaut snaps atmospheric fireball as Russian rocket explodes over West Africa
QUICK FACTS Where is it? Somewhere over West Africa What’s in the photos? Space debris from a Russian rocket burning up upon reentry Who took
Mars-bound astronauts could face years of heart scarring, rat study hints
Exposure to space radiation may increase astronauts’ risk of a dangerous heart condition, a new study in rats hints. The research, published Sept. 30 in
5,300-year-old kidney stone the size of a grape found in Bronze Age man’s burial near Black Sea
A Bronze Age man buried in a monumental tomb near the Black Sea may have died from complications of a urinary tract infection (UTI) more
Traces of ancient blood found in 115 million-year-old dinosaur fossil, new study claims
Red blood cells found in a 115 million-year-old dinosaur fossil from Brazil are the oldest chemical evidence of blood-related material in a dinosaur fossil, a
NASA’s CHAPEA Crew “Returns” to Earth
The four-member Crew Health and Performance Exploration Analog (CHAPEA) crew poses outside for the first time in more than a year following the end of
Is There Anything Left in the Dream of Cold Fusion?
Cold fusion: Now there’s an idea I hadn’t thought about in a while. It came back onto my radar in spring 2026. I had written
Buried for 2,600 years beneath Nile mud, a massive ancient Egyptian complex was just found — from space
Egyptian researchers have found a hidden 2,600-year-old structure the size of a football field after using satellites to peer below the ground. But what they
Webb and Hubble discover new details in one of our galaxy’s spookiest objects
In space, nobody can hear you scream — or meow, for that matter. This was as true for Félicette — the stray Parisian tuxedo cat
Newborn survival improves when families receive financial support
Rx Kids, a program that provides unconditional cash transfers for pregnant people and infants, reduced neonatal mortality in Flint, Michigan.